Lehmann told Kicker: “The Bundesliga and Spain are possibilities.
“I’m playing because I want to sign a new contract somewhere.
“One-year contracts are very good as you are not allowed to make mistakes or have bad spells.
“If I’ll leave one or two years earlier or later it doesn’t matter.
“It will end some time.
“I like London, the club and the stadium but there are also other aspects.
“I haven’t finalised my thoughts.”